MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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The most complete online medical dictionary: 16,436 terms covering anatomy, physiology, pathologies, diagnostic exams, pharmacology and every clinical specialty.
Designed for 3 kinds of users:
- Patients and family who want to understand a diagnosis, a medical report or instructions from a doctor.
- Students of medicine, nursing, physiotherapy and the health professions, dealing with technical terminology.
- Doctors, pharmacists and healthcare workers who need a quick and reliable reference.
Definitions are written in clear, accessible language while keeping the rigor required for professional use. Each term has a dedicated URL, instant autocomplete search, and can be shared on WhatsApp, Facebook, X and via email with one click.
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Disclaimer: the content is for informational and educational purposes only and does not replace medical advice. If you have doubts about your health, always consult a qualified professional. In case of emergency call your local emergency number (911 in the US, 112 in the EU).
Demulcent
Soothing. The word 'demulcent' comes from the Latin verb, 'demulcere' meaning 'to caress.' Something that is demulcent is caressing. The term 'demulcent' refers to an agent, such as an oil, that forms a soothing film when administered onto…
Read the definitionRandom terms
Show more- Clinical depression Depression that meets the DSM-IV criteria for a depressive disorder. The term is usually used to denote…
- Estrogen Estrogen is a female hormone produced by the ovaries. Estrogen deficiency can lead to osteoporosis. Estrogen…
- Tag, preauricular A common minor anomaly, this is a rudimentary tag of ear tissue. It often contains a core of cartilage. The…
- Mucolipidosis I A type of mucolipidosis (see below) characterized by deficiency of the enzyme neuraminidase (sialidase)…
- Ablation, endometrial Removal of the lining of the womb. Removing the uterine lining decreases menstrual flow or stops it…
- Pollinosis 1. Hay fever in response to pollen. 2. Hay fever in response to any allergen. See: Hay fever.
- Endothelium A layer of flat cells lining the closed internal spaces of the body such as the inside of blood vessels and…
- Syndrome, Guillain-Barre See: Guillain-Barre syndrome
- APA 1. American Psychiatric Association. 2. American Psychological Association. 3. American Podiatry Association…
- Gland, Meibomian See: Meibomian gland
- Syndrome, Fahr This syndrome described in 1930 by T. Fahr is a genetic (inherited) neurological disorder characterized by…
- Thoracic duct A vascular structure which recirculates lymph into the blood stream. It begins in the abdomen and tracks…